import {login, logout, getInfo} from '@/api/account'
import {getToken, setToken, removeToken} from '@/utils/auth'
import router, {resetRouter} from '@/router'

const state = {
  token: getToken(),
  name: null,
  username: null,
  idCard: null,
  phoneNumber: null,
  email: null,
  avatar: null,
  roles: [],
  authorities: []
}

const mutations = {
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_USERNAME: (state, username) => {
    state.username = username
  },
  SET_ID_CARD: (state, idCard) => {
    state.idCard = idCard
  },
  SET_PHONE_NUMBER: (state, phoneNumber) => {
    state.phoneNumber = phoneNumber
  },
  SET_EMAIL: (state, email) => {
    state.email = email
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_ROLES: (state, roles) => {
    state.roles = roles
  },
  SET_AUTHORITIES: (state, authorities) => {
    state.authorities = authorities
  }
}

const actions = {
  // user login
  login({commit}, userInfo) {
    const {username, password} = userInfo
    return new Promise((resolve, reject) => {
      login({username: username.trim(), password: password}).then(response => {
        console.log("response", response);
        const {data} = response
        commit('SET_TOKEN', data.token_type + " " + data.access_token)
        setToken(data.token_type + " " + data.access_token)
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // get user info
  getInfo({commit, state}) {
    return new Promise((resolve, reject) => {
      getInfo().then(response => {
        const {data} = response

        if (!data) {
          reject('Verification failed, please Login again.')
        }
        const {name, username, idCard, phoneNumber, email, avatar, roles, authorities} = data

        // roles must be a non-empty array
        if (!roles || roles.length <= 0) {
          reject('getInfo: roles must be a non-null array!')
        }
        commit('SET_NAME', name)
        commit('SET_USERNAME',username)
        commit('SET_ID_CARD',idCard)
        commit('SET_PHONE_NUMBER',phoneNumber)
        commit('SET_EMAIL',email)
        commit('SET_AVATAR', avatar)
        commit('SET_ROLES', roles)
        commit('SET_AUTHORITIES', authorities)
        resolve(data)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // user logout
  logout({commit, state}) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        commit('SET_TOKEN', '')
        commit('SET_ROLES', [])
        removeToken()
        resetRouter()
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({commit}) {
    return new Promise(resolve => {
      commit('SET_TOKEN', '')
      commit('SET_ROLES', [])
      removeToken()
      resolve()
    })
  },

  // dynamically modify permissions
  changeRoles({commit, dispatch}, role) {
    return new Promise(async resolve => {
      const token = role + '-token'

      commit('SET_TOKEN', token)
      setToken(token)

      const {roles} = await dispatch('getInfo')

      resetRouter()

      // generate accessible routes map based on roles
      const accessRoutes = await dispatch('permission/generateRoutes', roles, {root: true})

      // dynamically add accessible routes
      router.addRoutes(accessRoutes)

      // reset visited views and cached views
      dispatch('tagsView/delAllViews', null, {root: true})

      resolve()
    })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}
